CVE-2026-20016
CVE-2026-20016
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 6EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
04 Mar 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A vulnerability in the Cisco FXOS Software CLI feature for Cisco Secure Firewall ASA Software and Secure FTD Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system with root-level privileges. To exploit this vulnerability, the attacker must have valid administrative credentials on an affected device.
This vulnerability is due to insufficient input validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input for specific CLI commands. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Affected products
Cisco · Cisco Secure Firewall Threat Defense (FTD) SoftwareWant to know if your infrastructure is exposed to this?
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